Home / 15,278.93-22,909.28-4,745.79

Finding the Fourth Proportional to 15,278.93, 22,909.28 and 4,745.79

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Solution

The fourth proportional to 15,278.93, 22,909.28 and 4,745.79 is: 7,115.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,278.93 : 22,909.28 = 4,745.79 : x
  2. Step 2: Convert to fraction form
    15,278.93/22,909.28 = 4,745.79/x
  3. Step 3: Cross multiply
    15,278.93x = 22,909.28 × 4,745.79
  4. Step 4: Simplify right side
    15,278.93x = 108,722,634.90
  5. Step 5: Solve for x
    x = 108,722,634.90/15,278.93
  6. Step 6: Final answer
    x = 7,115.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.